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Kussmaul breathing is a deep and labored breathing pattern often associated with severe metabolic acidosis, particularly diabetic ketoacidosis (DKA) but also kidney failure. It is a form of hyperventilation, which is any breathing pattern that reduces carbon dioxide in the blood due to increased rate or depth of respiration. In metabolic acidosis, breathing is first rapid and shallow〔 〕 but as acidosis worsens, breathing gradually becomes deep, labored and gasping. It is this latter type of breathing pattern that is referred to as Kussmaul breathing. ==Terminology== Adolph Kussmaul, who introduced the term, referred to breathing when metabolic acidosis was sufficiently severe for the respiratory rate to be abnormal or reduced. This definition is also followed by several other sources,〔(【引用サイトリンク】title=Kussmaul breathing )〕〔(【引用サイトリンク】title=Kussmaul breathing )〕 including for instance Merriam-Webster, which defines Kussmaul breathing as "abnormally slow deep respiration characteristic of air hunger and occurring especially in acidotic states".〔(【引用サイトリンク】title=Kussmaul breathing )〕 Other sources, however, use the term Kussmaul respiration also when acidosis is less severe, in which case breathing is rapid.〔 Note that Kussmaul breathing occurs only in advanced stages of acidosis, and is fairly rarely reached. In less severe cases of acidosis, rapid, shallow breathing is seen. Kussmaul breathing is a kind of very deep, gasping, desperate breathing. Occasionally, medical literature refers to any abnormal breathing pattern in acidosis as Kussmaul breathing; however, this is inaccurate. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kussmaul breathing」の詳細全文を読む スポンサード リンク
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